“Know” can have many meanings. In certain traditional versions of the Bible, for example, it means “have sexual relations” I probably wouldn’t say “Do you know Michael Jackson?” since it would be imprecise. Do you listen to Are you familiar with the music of Do you know much about (if I wanted to talk about him, not necessarily his music) Do you know of (if it was someone who I suspected might never have heard of him) Do you know who Michael Jackson is? (If I thought they might not) Do you know this group? (Do you know their music?)

Thank you very much

If you said 'Do you know Michael Jackson?' I would say "Yes" because I assume you are asking me if I know his music. The correct grammar would be "Yes, I know OF Michael Jackson," but it would be normal to say "Yes, I know Michael Jackson," (meaning his music) If you asked "Do you know Michael Jackson personally?" that means "is he your friend?"